Home / 1,440,643,049.98-1,988,109,979.59-845,940,683.86

Finding the Fourth Proportional to 1,440,643,049.98, 1,988,109,979.59 and 845,940,683.86

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Solution

The fourth proportional to 1,440,643,049.98, 1,988,109,979.59 and 845,940,683.86 is: 1,167,411,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,643,049.98 : 1,988,109,979.59 = 845,940,683.86 : x
  2. Step 2: Convert to fraction form
    1,440,643,049.98/1,988,109,979.59 = 845,940,683.86/x
  3. Step 3: Cross multiply
    1,440,643,049.98x = 1,988,109,979.59 × 845,940,683.86
  4. Step 4: Simplify right side
    1,440,643,049.98x = 1,681,823,115,723,255,296
  5. Step 5: Solve for x
    x = 1,681,823,115,723,255,296/1,440,643,049.98
  6. Step 6: Final answer
    x = 1,167,411,397.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.